Core Audio is the digital audio infrastructure of iOS and OS X. It includes a set of software frameworks designed to handle the audio needs in your applications. Read this chapter to learn what you can do with Core Audio.

Game Center for Developers (GameKit). Games on iOS and OS X can take advantage of Game Center, Apple’s social gaming network. Game Center enables your users to track their best scores on a leaderboard, compare their achievements, invite friends to play a game, and start a multiplayer game through auto-matching.

GameCenter Manager helps to manage Game Center in iOS and Mac apps. Report and track high scores, achievements, and challenges for different players. GameCenter Manager also takes care of the heavy lifting - checking internet availability, saving data when offline and uploading it when online, etc. In future updates, GameCenter Manager will make it easy to setup and run live Game Center Multiplayer matches.

Game Kit offers features that you can use to create great social games. Game Center offers a centralized game service that connects players to each other.

Simple library for displaying OpenGL cimages and models on iOS.

With iAd, you can get your message out to the millions of people worldwide who use Apple products every day. Connect with users as they listen to music on iTunes Radio or while they use their favorite apps on our App Network. Find your audience using targeting tools built upon a foundation of registration and media consumption data that's exclusive to iAd. Bring your creative to life with exclusive features like Web GL with 3D motion graphics, Passbook and iTunes rewards. Invite your audience to watch your videos, explore your products, and even make purchases without taking them away from the app they were using.

A little sample showing how to access directly the datas of the camera in iOS

Create the games you love with Unity Unity is a game development ecosystem: a powerful rendering engine fully integrated with a complete set of intuitive tools and rapid workflows to create interactive 3D and 2D content; easy multiplatform publishing; thousands of quality, ready-made assets in the Asset Store and a knowledge-sharing community. For independent developers and studios, Unity’s democratizing ecosystem smashes the time and cost barriers to creating uniquely beautiful games. They are using Unity to build a livelihood doing what they love: creating games that hook and delight players on any platform.